#288D37#288D37

#288D37 is a mid, vivid green. Relative luminance 0.198; OKLCH L 56.7% C 0.154 H 145.5°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#288D37
RGB	rgb(40, 141, 55)
HSL	hsl(129, 56%, 35%)
HSV	hsv(129, 72%, 55%)
CMYK	cmyk(71.6%, 0%, 61%, 44.7%)
CIE-LAB	lab(51.58, -46.99, 36.99)
CIE-LCH	lch(51.58, 59.80, 141.79°)
OKLab	oklab(56.7% -0.1269 0.0872)
OKLCH	oklch(56.7% 0.154 145.5)
XYZ	xyz(11.0888, 19.7755, 6.8463)
Luminance	0.1978 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288D37 #8D287E

analogous

#4B8D28 #288D37 #288D69

triadic

#288D37 #37288D #8D3728

tetradic

#288D37 #284B8D #8D287E #8D6928

square

#288D37 #284B8D #8D287E #8D6928

split-complementary

#288D37 #69288D #8D284B

monochromatic

#0D2E12 #1A5D24 #288D37 #36BD4A #5ED16F

Accessibility & contrast

On white

4.24

#288D37 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#288D37 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288D37

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288D37	#FFFFFF	#000000	##000000
##288D37	1.00	4.24	4.96	4.96
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F802E

Deuteranopia (green-blind)

#83783E

Tritanopia (blue-blind)

#00897A

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #288d37;
/* rgb */ color: rgb(40, 141, 55);
/* oklch */ color: oklch(56.7% 0.154 145.5);

Tailwind

colors: {
  custom: {
    50: '#71af71',
    500: '#288d37',
    950: '#000000',
  },
}

SCSS

$custom: #288d37;
$custom-light: #71af71;
$custom-dark: #000000;

JSON

{
  "hex": "#288d37",
  "rgb": {
    "r": 40,
    "g": 141,
    "b": 55
  },
  "hsl": {
    "h": 128.911,
    "s": 55.801,
    "l": 35.49
  },
  "oklch": {
    "l": 0.56697,
    "c": 0.15397,
    "h": 145.5
  },
  "luminance": 0.19777
}

Semantic roles & 50–950 ramp

primary

#288D37

secondary

#B75AA9

accent

#49C9DF

background

#F7FAF6

surface

#EDF5EC

border

#C8CFC7

text

#091008

muted

#7B7F7B

Preview Lab

Preview with #288D37

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →